Objectives: To compare spinal and lower limb pain in adolescents regarding prevalence, characteristics, causes, and impact. Methods: A descriptive cross-sectional study was conducted in 13-year-old adolescents (female n=2210; male n=2353) from the Portuguese Generation XXI birth cohort. Data were collected between 2018 and 2020 through personal interviews by applying the Luebeck Pain Questionnaire. The pain fea...